ground waste

life-cycle assessment ( lca) which included all phases from extraction of raw materials from ground to the final waste treatment was a systematic and full-process environmental impact assessment.

生命周期评价突出产品从原材料采集到残余物返回环境全过程中对环境的综合影响，是一种系统的、全过程的环境影响评价。

transient electromagnetic exploration ( tem) is an important method for environment and engineering, mainly applied in ground water investigation, ground solid waste and poison detecting, archaeology, soil engineering studies and detecting city ground piping, etc.

瞬变电磁法勘察是环境与工程探测的重要方法，主要用于地下水调查、地下固体废物与污染物探测、考古、土壤评价及城市管线探测等。

review of application and technological development of fine ground rubber prepared with waste rubber

废橡胶制取细胶粉的技术开发及应用概况